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EF 40mm f/2.8 STM Specification Sheet OPTICAL FEATURES/ SPECIFICATIONS Angle of view (horzntl, vertl, diagnl) 49º, 34º,57º Lens construction (elements/groups) 6/4 No. of diaphragm blades 7 Minimum aperture Closest focussing distance (m) Maximum magnification (x) Distance Information AF actuator 22 0.3 0.18 None STM PHYSICAL SPECIFICATIONS Filter diameter (mm) 52 Max. diameter x length (mm) 68.2 x 22.8 Weight (g) 130 Lens Cap Lens hood E-52 ES-52 ACCESSORIES Lens case/pouch LP811 Magnification with Extension 0.50-0.32 Tube EF12 II Magnification with Extension 0.88-0.70 Tube EF25 II Extender Compatiblity Subject to change without notice. NC